If using the standard FireFox download tool, then the OS likely aborted the download, and dumped the downloaded file fragments upon shutdown. Not likely that you'll be able to resume from where you left off.

Sending a Secure fax is easy with eFax Corporate (http://www.enterprise.efax.com). First, just open a new email message.
In the To field, type your recipient's fax number @efaxsend.com.
You can even send a secure international fax — just include t…

Internet Business Fax to Email Made Easy -
With eFax Corporate (http://www.enterprise.efax.com), you'll receive a dedicated online fax number, which is used the same way as a typical analog fax number.
You'll receive secure faxes in your email, f…